fix empty password handling
fix empty password handling

ChatSecure/ChatSecureAndroid,joskarthic/chatsecure,joskarthic/chatsecure,10045125/ChatSecureAndroid,n8fr8/AwesomeApp,OnlyInAmerica/ChatSecureAndroid,eighthave/ChatSecureAndroid,31H0B1eV/ChatSecureAndroid,bonashen/ChatSecureAndroid,prembasumatary/ChatSecureAndroid,10045125/ChatSecureAndroid,OnlyInAmerica/ChatSecureAndroid,31H0B1eV/ChatSecureAndroid,guardianproject/ChatSecureAndroid,joskarthic/chatsecure,prembasumatary/ChatSecureAndroid,Heart2009/ChatSecureAndroid,anvayarai/my-ChatSecure,10045125/ChatSecureAndroid,prive/prive-android,n8fr8/ChatSecureAndroid,kden/ChatSecureAndroid,bonashen/ChatSecureAndroid,h2ri/ChatSecureAndroid,anvayarai/my-ChatSecure,ChatSecure/ChatSecureAndroid,n8fr8/AwesomeApp,kden/ChatSecureAndroid,Heart2009/ChatSecureAndroid,eighthave/ChatSecureAndroid,n8fr8/ChatSecureAndroid,prive/prive-android,prembasumatary/ChatSecureAndroid,n8fr8/ChatSecureAndroid,Heart2009/ChatSecureAndroid,bonashen/ChatSecureAndroid,maheshwarishivam/ChatSecureAndroid,ChatSecure/ChatSecureAndroid,anvayarai/my-ChatSecure,guardianproject/ChatSecureAndroid,prive/prive-android,maheshwarishivam/ChatSecureAndroid,h2ri/ChatSecureAndroid,eighthave/ChatSecureAndroid,guardianproject/ChatSecureAndroid,h2ri/ChatSecureAndroid,n8fr8/AwesomeApp,maheshwarishivam/ChatSecureAndroid,kden/ChatSecureAndroid,prive/prive-android,OnlyInAmerica/ChatSecureAndroid,OnlyInAmerica/ChatSecureAndroid,ChatSecure/ChatSecureAndroid,31H0B1eV/ChatSecureAndroid